英文标题:
《Economic inequality and mobility in kinetic models for social sciences》
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作者:
Maria Letizia Bertotti and Giovanni Modanese
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最新提交年份:
2015
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英文摘要:
Statistical evaluations of the economic mobility of a society are more difficult than measurements of the income distribution, because they require to follow the evolution of the individuals\' income for at least one or two generations. In micro-to-macro theoretical models of economic exchanges based on kinetic equations, the income distribution depends only on the asymptotic equilibrium solutions, while mobility estimates also involve the detailed structure of the transition probabilities of the model, and are thus an important tool for assessing its validity. Empirical data show a remarkably general negative correlation between economic inequality and mobility, whose explanation is still unclear. It is therefore particularly interesting to study this correlation in analytical models. In previous work we investigated the behavior of the Gini inequality index in kinetic models in dependence on several parameters which define the binary interactions and the taxation and redistribution processes: saving propensity, taxation rates gap, tax evasion rate, welfare means-testing etc. Here, we check the correlation of mobility with inequality by analyzing the mobility dependence from the same parameters. According to several numerical solutions, the correlation is confirmed to be negative.
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中文摘要:
对一个社会的经济流动性进行统计评估比对收入分配的测量更困难,因为它们需要至少在一两代人的时间内跟踪个人收入的变化。在基于动力学方程的微观到宏观经济交换理论模型中,收入分配仅取决于渐近平衡解,而流动性估计还涉及模型转移概率的详细结构,因此是评估其有效性的重要工具。实证数据显示,经济不平等与流动性之间存在显著的普遍负相关,其解释尚不清楚。因此,在分析模型中研究这种相关性特别有趣。在之前的工作中,我们研究了基尼不平等指数在动力学模型中的行为,这些行为依赖于定义二元相互作用以及税收和再分配过程的几个参数:储蓄倾向、税率差距、逃税率、福利手段测试等,通过分析相同参数下的迁移率相关性,我们检验了迁移率与不平等性的相关性。根据几个数值解,证实了相关性为负。
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分类信息:
一级分类:Quantitative Finance 数量金融学
二级分类:Economics 经济学
分类描述:q-fin.EC is an alias for econ.GN. Economics, including micro and macro economics, international economics, theory of the firm, labor economics, and other economic topics outside finance
q-fin.ec是econ.gn的别名。经济学,包括微观和宏观经济学、国际经济学、企业理论、劳动经济学和其他金融以外的经济专题
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一级分类:Quantitative Finance 数量金融学
二级分类:General Finance 一般财务
分类描述:Development of general quantitative methodologies with applications in finance
通用定量方法的发展及其在金融中的应用
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